<template>
	<view class="cart-container" v-if="cart.length">
		<!-- 收货地址组件 -->
		<my-address></my-address>
		<view class="cart-box">
			<view class="cart-title">
				<uni-icons type="shop" size="18"></uni-icons>
				<text class="cart-title-text">购物车</text>
			</view>
			<!-- 循环渲染购物车的商品 -->
			<uni-swipe-action>
				<block v-for="(goods,index) in  cart" :key="index">
					<uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(goods)">
						<my-goods :item="goods" :show-radio="true" showNumberBox @radio-change="radioClickHandler"
							@num-change="numberChangeHandler"></my-goods>
					</uni-swipe-action-item>
				</block>
			</uni-swipe-action>
			<my-settle></my-settle>
		</view>
	</view>
	<view class="empty-cart" v-else>
		<image src="/static/images/empty.png" class="emoty-img" mode=""></image>
		<text>空空如也~</text>
	</view>
</template>

<script>
	import badgeMix from '@/mixins/tabbar-badge.js'
	import {
		mapState,
		mapMutations
	} from 'vuex'
	export default {
		mixins: [badgeMix],
		computed: {
			...mapState('m_cart', ['cart'])
		},
		data() {
			return {
				options: [{
					text: '删除',
					style: {
						backgroundColor: '#c00000'
					}
				}]
			}
		},
		methods: {
			/* 
			 更新购物车商品选中的状态
			 */
			...mapMutations('m_cart', ['updateGoodsStatus', 'updateGoodsNum', 'deleteGoodsShop']),
			/* 
			 单选选中的状态
			 */
			radioClickHandler(goods) {
				this.updateGoodsStatus(goods)
			},
			/* 
			 商品数量发生变化
			 */
			numberChangeHandler(e) {
				this.updateGoodsNum(e)
			},
			/* 
			 滑动删除
			 */
			swipeActionClickHandler(goods) {
				this.deleteGoodsShop(goods)
			},
		}
	}
</script>

<style lang="scss">
	.cart-container {
		padding-bottom: 50px;
	}

	.cart-box {
		// padding: 0 6px;

		.cart-title {
			height: 40px;
			display: flex;
			align-items: center;
			padding-left: 5px;
			font-size: 14px;
			border-bottom: 1px solid #efefef;
		}

		.cart-title-text {
			margin-left: 10px;
		}
	}

	.empty-cart {
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
		padding-top: 200px;

		.emoty-img {
			height: 100px;
			width: 100px;
			border-radius: 50%;
		}

		text {
			margin-top: 6px;
			font-size: 12px;
			color: gray;
		}
	}
</style>